MICHAEL CLANAHAN MD
NPI 1457707515
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since May 09, 2016PECOS EnrolledAccepts Medicare Assignment
615 S NEW BALLAS RD STE 1200, SAINT LOUIS, MO 63141(314) 251-2880 Get Directions Write a Review

NPPES record last updated: August 2, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Michael Clanahan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL CLANAHAN MD (NPI 1457707515) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2023008147) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Southern Illinois University School Of Medicine (2016).

NPPES Registry Identity

NPI1457707515
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMICHAEL CLANAHANCredential: MD
Location Address615 S NEW BALLAS RD STE 1200Saint Louis, MO 63141-8221
Mailing Address615 S New Ballas Rd Ste 1200Saint Louis, MO 63141-8221 · (314) 251-2880
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 2016
Enumeration DateMay 9, 2016
Last NPPES UpdateAugust 2, 2023
NPPES CertifiedAugust 2, 2023
NPI 1457707515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MO · 2023008147
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedHospitalistTaxonomy 208M00000X · License 35.138738 (OH)
615 S NEW BALLAS RD STE 1200, Saint Louis, MO 63141

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Michael Clanahan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012305675
PECOS Enrollment IDI20230824002255
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
39 services39 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
31 services30 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
31 services30 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
30 services29 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
27 services27 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services24 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260077
Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141
Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141
Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141
Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141
Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141
Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141
Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141
Internal Medicine (Gastroenterology)
615 S NEW BALLAS RD STE 1200
SAINT LOUIS, MO 63141

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Clanahan's NPI number?

The NPI number for Michael Clanahan is 1457707515. It was assigned to this individual provider in the NPPES registry on May 9, 2016.

Where is Michael Clanahan located?

Michael Clanahan practices at 615 S New Ballas Rd Ste 1200, Saint Louis, MO 63141. The listed phone number is (314) 251-2880.

What is Michael Clanahan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Clanahan enrolled in Medicare?

Yes. Michael Clanahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Michael Clanahan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 6 other insurers list Michael Clanahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Clanahan affiliated with any hospitals?

According to CMS data, Michael Clanahan is affiliated with Mercy Hospital St Louis and Mercy Hospital South.

When was this NPI record last updated?

The NPPES record for Michael Clanahan was last updated on August 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.